German School, (16th century). Medium: vellum. Date: 1582. Tractatus Alchymicae Germanick Splendor Solis; tree encircled by a gold crown and the offering of a branch to the two robed men probably signify some alchemical secrets in this treatise on alchemy; Provenance: British Library, London, UK. Photographic rights held by The Bridgeman Art Library.